ArtStation - Artistic Photoshop Concept Art Brushes for digital Painting - MA-BRUSHES
Photoshop Brush Pack - Photoshop brushes
Kyle T Webster on Twitter: "FREE #photoshop BRUSHES! Go to this page and scroll down a bit to the link where you can snag 8 free brushes by yours truly. https://t.co/6w3Y1bPBeT https://t.co/3XlliPfwZV" /
Free-Ink-Brushes-for-Photoshop by BrittneyMurphy on DeviantArt